Re: checking if a list is empty

References	<BANLkTikF18n2dBU6hhFngcAPkE2ZpErVAw@mail.gmail.com>
Date	2011-05-06 00:08 -0700
Subject	Re: checking if a list is empty
From	Chris Rebert <clp2@rebertia.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.1228.1304665707.9059.python-list@python.org> (permalink)

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On Thu, May 5, 2011 at 11:36 PM, Jabba Laci <jabba.laci@gmail.com> wrote:
> Hi,
>
> If I want to check if a list is empty, which is the more pythonic way?

Option (2), IMO.

> li = []
>
> (1) if len(li) == 0:
> ...

FYI, also equivalent:
if not len(li):
    ...

> or
> (2) if not li:

Cheers,
Chris

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Re: checking if a list is empty Chris Rebert <clp2@rebertia.com> - 2011-05-06 00:08 -0700

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